Just like me

It started working after the second reset and as soon as I sent my last post. Thank you for the exceptionally fast service
Perhaps it was the intensity turned down to zero?

Sorry, I should have responded sooner. I uploaded new fonts and my display started working again just fine. :D

Now it is far away overseas and being installed as part of a steel mill weld test system. :oops:
I heard today that the backlight has failed again. My bench version has also done the ...

Thanks. I wiped the memory and things improved. Did I pick up some bad data perhaps?
Now power up shows a black screen except for a 1/4 block of random bits. Hopefully the random bits are not a bad sign. I suppose I'll have to learn how to upload fonts and graphics now.

I caught on to the pin 6&7 thing a while back. Yes, I did that reset.
Before that I was seeing my 'no signal' message on the bottom row but about 1/4 line below and wrapped to the top of the fourth row. On a good display I see my 'no signal' on the second row and it looks good.
After the reset I ...

:( I have been using a GLK12232-25-SM for many months now. The third time this happened it finally got my attention. It appeared as though my backlight had burned out but I wasn't very bothered so I let it slide. Now I want the backlight so I am investigating.
I am displaying a graph drawn as ...

I have rev. 1.4
I tried using I2C and RS232 both are the same. I think it is the refresh of the screen because when I put a one second delay between writing data screens it works OK. The fade seems to solidify after some 500ms. Is there a cable length limit I should avoid when using I2C?
So new ...

I am delighted with my display and it is working BUT can you tell me where my brain failed?
I want a 120 pixel bar graph to represent a one line picture from my TSL1401 optical linear array.
My array, photo , is loaded with unsigned char data in my program.
// Data defined in photo. Now display on ...